Improper input validation in Atlassian Fisheye and Atlassian Crucible - CVE-2018-5223

 

Improper input validation in Atlassian Fisheye and Atlassian Crucible - CVE-2018-5223

Published: May 7, 2018 / Updated: May 14, 2018


Vulnerability identifier: #VU12441
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-5223
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Atlassian
Affected software:
Atlassian Fisheye
Atlassian Crucible

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.

The weakness exists due to incorrect check if a configured Mercurial repository URI contained values that the Windows operating system may consider argument parameters. A remote attacker can supply a specially crafted input and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.


How to mitigate CVE-2018-5223

Update to versions 4.4.6, 4.5.3 or 4.6.0.

Sources